Shakespeare in a Zip in a RAR, Hidden in an Image on Twitter

Steganography involves hiding data in something else — for example, encoding data in a picture. [David Buchanan] used polyglot files not to hide data, but to send a large amount of data in a single Twitter post. We don’t think it quite qualifies as steganography because the image has a giant red UNZIP ME printed across it. But without it, you might not think to run a JPG image through your unzip program. If you did, though, you’d wind up with a bunch of RAR files that you could unrar and get the complete works of the Immortal Bard in …read more

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